9th Class MCQs Computer Science Chapter No.2 Old Course

A set of communication lines or wires used to transfer data is called:

CPU is an Example of...

The circuit board on which the processor and other chips are placed is called:

RAM is an example of :

The mother board of a PC contains:

How many bits are carried by one line of data bus?

All of the following are hardware components of computer EXCEPT:

All of the following are computer buses EXCEPT:

Which of the following is part of computer system? &nbps&nbps &nbps ان میں سے کون سا کمپیو ٹر سسٹم کا حصہ ھوتا ھے۔

What type of port sends data one bit at a tune?

The arithmetic/logic unit performs the following actions:

The most popular type of port to connect devices to the computer is :

A 8-bit address bus can locate:

Which component of CPU is responsible for comparing the contents of two pieces of data?

The system bus is used to connect the following units? &nbps&nbps &nbps سسٹم یونٹ بس کن یونٹس کو جوڑنے کے لیے استعمال کی جاتی ھے ۔

Which of the following is not a type of bus in computer?     ان میں سے کوں سی بس کمپیوٹر میں نہیں ھے۔

Which of the following is secondary memory?

CPU is also called the:

A bus that moves data between the central processor and memory is known as:

Software that controls and manages actual operations of hardware is called:

ALU performs arithmetic and ______operations.

The arithmetic / logical unit can perform? &nbps&nbps&nbpsار تھمیٹک اور لوجیکل یونٹ پرفارم کرتا ھے۔

Computer is a combination of:

Which of the following input device is used to enter text data?

The entire computer system is coordinated by:

A set of computer instructions designed to solve problems is known as:

USB port can connect devices:

Parallel port contains:

Which of the following input device is used to enter voice data?

CPU includes all of the following components except:

CPU stands for:

The interface that connects peripherals with the computer is called:

The input/output device that are connected to a computer system are known as :

Which of the following is an output device?

Which of the following is an input device?

Which ports is used for connecting a printer to computer?

The two major category of software are...

A bus with 32 lines can carry          of data:

All of the following are output devices EXCEPT:

All of the following are types of application software EXCEPT:

The brain of the computer that executes program instructions is called:

CU stands for:

which of the following devices is not inside the system unit? &nbps&nbps&nbps ان میں سے کون سی ڈیوایس سسٹم یونٹ کے اندر نہیں ہوتی۔

Which of the following is system software?

Hardware is best described as:

Temporary storage locations within CPU is called: